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authorAntoine Eiche <lewo@abesis.fr>2020-03-17 22:12:48 +0100
committerAntoine Eiche <lewo@abesis.fr>2020-03-17 22:18:20 +0100
commit39621bb8dea088997f001f4ac6fdd00214e07a93 (patch)
tree739e354ff1486de3cd53653224139ac61e618a49
parent0bd52ef94daf8b6693ece51980fce8902985de84 (diff)
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nixos/alertmanager: start after the network-online target
If the host network stack is slow to start, the alertmanager fails to
start with this error message:

    caller=main.go:256 msg="unable to initialize gossip mesh" err="create memberlist: Failed to get final advertise address: No private IP address found, and explicit IP not provided"

This bug can be reproduced by shutting down the network stack and
restarting the alertmanager.

Note I don't know why I didn't hit this issue with previous
alertmanager releases.
-rw-r--r--nixos/modules/services/monitoring/prometheus/alertmanager.nix2
1 files changed, 1 insertions, 1 deletions
diff --git a/nixos/modules/services/monitoring/prometheus/alertmanager.nix b/nixos/modules/services/monitoring/prometheus/alertmanager.nix
index 4534d150885..69e3dcf1408 100644
--- a/nixos/modules/services/monitoring/prometheus/alertmanager.nix
+++ b/nixos/modules/services/monitoring/prometheus/alertmanager.nix
@@ -155,7 +155,7 @@ in {
 
       systemd.services.alertmanager = {
         wantedBy = [ "multi-user.target" ];
-        after    = [ "network.target" ];
+        after    = [ "network-online.target" ];
         preStart = ''
            ${lib.getBin pkgs.envsubst}/bin/envsubst -o "/tmp/alert-manager-substituted.yaml" \
                                                     -i "${alertmanagerYml}"